Answer:
3ab+4a+4b
Step-by-step explanation:
Add like terms
5ab-2ab= 3ab
-b+5b= 4b
4a
Id go with either -3 or 5
same here hyarhaha what to do
-60
m = E / c^2
E = m c^2
Solve for m
Divide each side by c^2
E / c^2 = m c^2 / c^2
E / c^2 = m